AEP vs. MAIN
AEP (American Electric Power Company, Inc.) and MAIN (Main Street Capital Corporation) are both stocks. AEP operates in Utilities - Regulated Electric (Utilities), while MAIN operates in Asset Management (Financial Services). Over the past 10 years, AEP returned 10.16%/yr vs 13.31%/yr for MAIN. Their 0.19 correlation means their historical movements had little consistent relationship.
Performance
AEP vs. MAIN - Performance Comparison
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Returns By Period
In the year-to-date period, AEP achieves a 12.56% return, which is significantly higher than MAIN's -5.85% return. Over the past 10 years, AEP has underperformed MAIN with an annualized return of 10.16%, while MAIN has yielded a comparatively higher 13.31% annualized return.
AEP
- 1D
- 0.05%
- 1M
- -7.70%
- 6M
- 8.37%
- YTD
- 12.56%
- 1Y
- 16.13%
- 3Y*
- 19.35%
- 5Y*
- 11.69%
- 10Y*
- 10.16%
- ALL TIME*
- 6.23%
MAIN
- 1D
- -0.06%
- 1M
- 5.25%
- 6M
- -11.27%
- YTD
- -5.85%
- 1Y
- -8.42%
- 3Y*
- 17.89%
- 5Y*
- 14.24%
- 10Y*
- 13.31%
- ALL TIME*
- 16.52%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $506.06M | $573.81M | $668.56M | |
| $28.94M | $32.47M | $36.34M |
AEP vs. MAIN - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
AEP American Electric Power Company, Inc. | 12.56% | 29.38% | 18.18% | -10.98% | 10.38% | 10.68% | -9.01% | 30.52% | 5.38% | 20.95% |
MAIN Main Street Capital Corporation | -5.85% | 10.74% | 47.30% | 28.22% | -11.37% | 48.31% | -19.54% | 36.88% | -8.27% | 16.62% |
Correlation
The correlation between AEP and MAIN is 0.01, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.01 |
Correlation (3Y) Balances recent behavior with more history. | 0.11 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.18 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.17 |
Correlation (All Time) Calculated using the full available price history since Oct 9, 2007 | 0.19 |
The correlation between AEP and MAIN shifts across timeframes, from 0.01 (1 year) to 0.19 (all time), reflecting how their relationship changes across market environments.
Fundamentals
AEP:
$69.56B
MAIN:
$5.06B
AEP:
$5.83
MAIN:
$5.21
AEP:
21.94
MAIN:
10.45
AEP:
2.47
MAIN:
1.19
AEP:
3.06
MAIN:
6.95
AEP:
2.19
MAIN:
1.59
AEP:
$22.52B
MAIN:
$704.17M
AEP:
$11.03B
MAIN:
$499.08M
AEP:
$8.60B
MAIN:
$396.90M
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Return for Risk
AEP vs. MAIN — Risk / Return Rank
AEP
MAIN
AEP vs. MAIN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for American Electric Power Company, Inc. (AEP) and Main Street Capital Corporation (MAIN). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| AEP | MAIN | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.26 | ||
| Sortino ratioReturn per unit of downside risk | +1.77 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 0.96 | +0.21 |
| Calmar ratioReturn relative to maximum drawdown | 1.83 | -0.42 | +2.25 |
| Martin ratioReturn relative to average drawdown | 4.26 | -0.74 | +5.00 |
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Drawdowns
AEP vs. MAIN - Drawdown Comparison
The maximum AEP drawdown since its inception was -62.75%, roughly equal to the maximum MAIN drawdown of -64.53%. Use the drawdown chart below to compare losses from any high point for AEP and MAIN.
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Drawdown Indicators
| AEP | MAIN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -62.75% | -64.53% | +1.78% |
Max Drawdown (1Y)Largest decline over 1 year | -9.09% | -22.43% | +13.34% |
Max Drawdown (3Y)Largest decline over 3 years | -13.10% | -22.43% | +9.33% |
Max Drawdown (5Y)Largest decline over 5 years | -29.56% | -27.06% | -2.50% |
Max Drawdown (10Y)Largest decline over 10 years | -32.91% | -64.53% | +31.62% |
Current DrawdownCurrent decline from peak | -7.82% | -13.59% | +5.77% |
Average DrawdownAverage peak-to-trough decline | -17.51% | -7.37% | -10.14% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.90% | 12.75% | -8.85% |
Volatility
AEP vs. MAIN - Volatility Comparison
The current volatility for American Electric Power Company, Inc. (AEP) is 6.27%, while Main Street Capital Corporation (MAIN) has a volatility of 6.80%. This indicates that AEP experiences smaller price fluctuations and is considered to be less risky than MAIN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| AEP | MAIN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.27% | 6.80% | -0.53% |
Volatility (6M)Calculated over the trailing 6-month period | 14.62% | 20.02% | -5.40% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.82% | 25.45% | -6.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.12% | 21.64% | -1.52% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.07% | 27.38% | -6.31% |
Dividends
AEP vs. MAIN - Dividend Comparison
AEP's dividend yield for the trailing twelve months is around 2.96%, less than MAIN's 7.90% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AEP American Electric Power Company, Inc. | 2.96% | 3.24% | 3.87% | 4.15% | 3.34% | 3.37% | 3.41% | 2.87% | 3.39% | 3.25% | 3.61% | 3.69% |
MAIN Main Street Capital Corporation | 7.90% | 7.00% | 7.02% | 8.55% | 7.97% | 5.74% | 6.99% | 6.76% | 8.43% | 7.49% | 7.42% | 9.15% |
Financials
AEP vs. MAIN - Financials Comparison
This section allows you to compare key financial metrics between American Electric Power Company, Inc. and Main Street Capital Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
AEP vs. MAIN - Profitability Comparison
AEP - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, American Electric Power Company, Inc. reported a gross profit of 3.84B and revenue of 5.45B. Therefore, the gross margin over that period was 70.6%.
MAIN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Main Street Capital Corporation reported a gross profit of 0.00 and revenue of 140.11M. Therefore, the gross margin over that period was 0.0%.
AEP - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, American Electric Power Company, Inc. reported an operating income of 2.58B and revenue of 5.45B, resulting in an operating margin of 47.5%.
MAIN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Main Street Capital Corporation reported an operating income of 0.00 and revenue of 140.11M, resulting in an operating margin of 0.0%.
AEP - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, American Electric Power Company, Inc. reported a net income of 713.00M and revenue of 5.45B, resulting in a net margin of 13.1%.
MAIN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Main Street Capital Corporation reported a net income of 90.82M and revenue of 140.11M, resulting in a net margin of 64.8%.
Frequently Asked Questions
AEP and MAIN have a correlation of 0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MAIN has higher volatility (6.80%) compared to AEP (6.27%). In terms of maximum drawdown, AEP dropped -62.75% vs MAIN's -64.53%.
AEP currently has the higher Sharpe Ratio (0.88 vs -0.37), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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